AZ001 WAISTBAND IS MADE OF FOAM AND LYCRA AND ALUMINUM SHEET MATERIAL: 10MM FOAM LAMINATES WITH MUTI-SPANDEX AND LYCRA THEN LAMINATES WITH ALUMINUM SHEETSIZE:XL,L,M,SCORLOR:BLACKLOW PRICE AND GOOD QUALITY IS GREASTEST CHARACTERISTIC OF THE PRODUCTOR AZ001 WAISTBAND